TV Repair: Common Faults and Solutions.

Search:
Results: 87437

Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	TAN77ES	No power	Unit has no power.
SONY	CDXR88	Will not accept specific disc	The eric clapton cd with the number 126074-2 re1 srct03will not play in cdx-r88. it will not load down. it gets stuck insidebecause the coating on the outside of the disc is not wide enough. itlets the led's light pass through so it does not think it
SONY	KV27TS20	Shutdown, replace yoke and r-578	Set in shutdown. r-578 dissipated, reading zero on the 27,12, and 9.3 volt lines.
SONY	KV2680R	Shutdown, c-540 open	Set would shutdown intermittently due to high b+ (145-150vdc).replaced str3035 in regulator circuitry to no avail. r-608 (20 watt220Ω) was cool. set also showed no ripple at normal line voltage.
SONY	CPD1302	Shutdown	Set would shutdown immediately at turn on. pin 6 of ic-301measures approximately 12 volts.
SONY	STRAV910	Microprocessor reset	Refer to fpr number l0613. -hq comments: system malfunctions caused by the microprocessor lockingup can usually be traced to either a supply voltage problem, or aninterface problem. resetting, and in extreme cases, replacing the microis the only way to
SONY	XM3060	Part number for rv-601 - rv-603	The part numbers listed in the service manual for rv-601, 602and 603 are incorrect. the part number listed (1-238-826-11) is for aright angle mount pot, but the part needed is a vertical mount type.
SONY	XM5520	Part number for rv-601	Part number listed in the service manual for rv-601 is notcorrect. the part listed 1-238-826-11 is for a right angle mount pot, notthe vertical mount type needed.
SONY	CDPS107	Intermittent skipping during play	The unit will intermittently skip while playing back a disc.the symptoms suggest a problem with the tracking/focus servo or with thepll block. adjustments will only slightly improve the situation, but willnot eliminate the skipping. new optics did not c
SONY	KV27SXR10	No on screen display, replace ic-107	Unit had no on screen display. all other functions normal.ic-107 (5 volt regulator) output was 7 volts.
SONY	STRAV910	Output transistors defective	Several units to date with two output transistors defectiveand f-801/802 open. checked driver and other transistors - all ok.
SONY	PVM2530	Interface cable	Customer wants to know what cable is required to interface apvm-2530 to a cga graphics card.
SONY	KV2783R	Hue change above channel 35, adj aft coil slightly	Color and hue are fine from channel 2-35. when a channelabove channel 35 is selected, the hue will change flesh tones to green.tried service bulletin no. 273 but it did not help.
SONY	STRGX10ES	Front panel sub-chassis availability	Unit was dropped. sub-chassis is bent. is it available? -hq comments: i checked with kansas city parts. the sub-chassis is notavailable as a separate part.
SONY	TCFX160	No playback of prerecorded tapes	In playback mode, the line input signal is present at theline out jacks: unit is stuck in the record mode. ic-311/pin 42 is alwaysless than 1 volt. ic-381/pin 11 toggles correctly.
SONY	WMAF604	Board does not match pcb layout in s/m	Servicer had two units of same model one unit matches thepcb layout in the s/m but the second unit does not. servicer states thatcorrect board is 1-629-871-11-i the unit that does not match the layoutis p/n 1-629-871-11-ii.
SONY	SPP320	Handset changes channels on its own	After hand unit and base establish contact, the hand unitcycles to the next higher channel about every 12 seconds (just as itwould if the channel button were pushed). troubleshooting hint: removepower from base unit. hand unit cycling stops.
SONY	MDP510	Green vertical bar in digital effects	Unit was normal in analog modes of operation. any operationusing digital picture processing displayed a predominately green verticalbar approximately two inches wide in picture.
SONY	KV25DXR	Video has noise on highlights	Unit displayed noise on high frequency portions of video.noise was mostly red in color. video input to this ic looked clean -rgb outputs displayed noise in waveform.
SONY	CDP608ESD	Garbled audio in both channels	Unit had distorted audio in both channels. found approx-imately 800-900hz mechanical resonance - similar to problem encounteredin cdp-c10.